
Stoikiometri
Authored by Wahyu Hidayat
Chemistry
10th - 12th Grade
Used 16+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
volume gas CO2 yang dihasilkan dari pembakaran sempurna 8 gram gas metana menurut reaksi: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g), Jika diukur pada keadaan standar adalah ....
11,2 liter
22,4 liter
33,6 liter
44,8 liter
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pembakaran gas etana (C2H6) menurut reaksi: C2H6(g) + O2(g) → CO2(g) + H2O(g) (belum setara). Volume gas CO2 yang terbentuk pada pembakaran sempurna 3 liter gas etana adalah........
1,5
3
6
9
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Direaksikan 10,4 gram krom dengan asam sulfat. persamaan reaksi: 2Cr(g) + 3H2SO4(aq) → Cr2(SO4)3(aq) + 3H2(g). volume gas yang dihasilkan pada STP adalah ....
4,98 liter
6,72 liter
11,2 liter
22,4 liter
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Massa satu atom fluor (Ar=19) dalam gram adalah ...
0,05 x 10-23
0,32 x 10-23
1,66 x 10-23
3,16 x 10-23
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ke dalam 100 mL H2SO4 dimasukkan 4,14 gram logam timbal dengan reaksi: Pb(s) + H2SO4(aq) → PbSO4(s) + H2(g). berat endapan yang terbentuk adalah ... (Ar Pb= 207, S=32, O=16, H=1)
2,07 gram
3,03 gram
6,06 gram
4,55 gram
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Persamaan reaksi (belum setara) berikut ini:
C3H8(g) + O2(g) → CO2(g) + H2O(g)
Pada suhu dan tekanan yang tertentu, perbandingan volume CO2 dan H2O adalah ....
1:3
3:4
1:5
5:3
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada suhu dan tekanan tertentu, 7 gram gas N2 (Mr N2=28) mempunyai volume 5 liter. Bila gas O2 diukur pada suhu dan tekanan yang sama mempunyai volume 10 liter. maka jumlah molekul gas O2 sebanyak ...
6,02 x 1023
3,01 x 1023
6,02 x1022
3,01 x 1022
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